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Finding the Fourth Proportional to 6,627.16, 9,926.16 and 2,719.72

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Solution

The fourth proportional to 6,627.16, 9,926.16 and 2,719.72 is: 4,073.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,627.16 : 9,926.16 = 2,719.72 : x
  2. Step 2: Convert to fraction form
    6,627.16/9,926.16 = 2,719.72/x
  3. Step 3: Cross multiply
    6,627.16x = 9,926.16 × 2,719.72
  4. Step 4: Simplify right side
    6,627.16x = 26,996,375.88
  5. Step 5: Solve for x
    x = 26,996,375.88/6,627.16
  6. Step 6: Final answer
    x = 4,073.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.